Home / 3,521.53-5,280.69-1,674.88

Finding the Fourth Proportional to 3,521.53, 5,280.69 and 1,674.88

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Solution

The fourth proportional to 3,521.53, 5,280.69 and 1,674.88 is: 2,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.53 : 5,280.69 = 1,674.88 : x
  2. Step 2: Convert to fraction form
    3,521.53/5,280.69 = 1,674.88/x
  3. Step 3: Cross multiply
    3,521.53x = 5,280.69 × 1,674.88
  4. Step 4: Simplify right side
    3,521.53x = 8,844,515.15
  5. Step 5: Solve for x
    x = 8,844,515.15/3,521.53
  6. Step 6: Final answer
    x = 2,511.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.